html,
body {
	width: 100%;
	height: 100%;
}

.asd {
	width: 100%;
	height: 100%;
	background: url(../images/qwe.jpg) center center no-repeat;
	background-size: cover;
}

.toubu {
	width: 100%;
	background: #3AAD6B;
	display: flex;
	font-size: 12px;
	text-align: center;
}

.toubuleft {
	flex: 50%;
	text-align: left;
	color: #FFF000;
}

.touburight {
	flex: 50%;
	text-align: right;
	color: #fff;
}

nav {
	width: 100%;
	height: 100%;
	display: flex;
	background: #428BCA;
	margin-top: 50px;
	margin-bottom: 0;
	background: rgba(245, 62, 4, 0.2);
}

nav div {
	width: 25%;
	text-align: center;
	line-height: 50px;
	border-right: 1px solid #3071A9;
}

.shouru {
	text-align: center;
	padding-top: 100px;
}

.shouru button {
	border-radius: 5px;
}

.shouru h3 {
	line-height: 40px;
}

.shouru p {
	font-size: 12px;
	color: #666;
}

.tixian {
	width: 90px;
	height: 35px;
	position: absolute;
	right: 10px;
	top: 20px;
	color: #827f7f;
	border: 0;
	background: url(../images/ygtx.png) center center no-repeat;
	background-size: 100% 100%;
}

.IDS {
	position: absolute;
	top: 20px;
	left: 10px;
	color: #fff;
}

footer {
	position: fixed;
	bottom: 0;
}

.div-a {
	margin-bottom: 50px;
}

.zc {
	border-right: 0;
}